SegmentInfo should explicitly track whether that segment wrote term vectors
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Key: LUCENE-2811
URL: https://issues.apache.org/jira/browse/LUCENE-2811
Project: Lucene - Java
Issue Type: Bug
Components: Index
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 3.1, 4.0
Today SegmentInfo doesn't know if it has vectors, which means its files()
method must check if the files exist.
This leads to subtle bugs, because Si.files() caches the files but then we fail
to invalidate that later when the term vectors files are created.
It also leads to sloppy code, eg TermVectorsReader "gracefully" handles being
opened when the files do not exist. I don't like that; it should only be
opened if they exist.
This also fixes these intermittent failures we've been seeing:
{noformat}
junit.framework.AssertionFailedError: IndexFileDeleter doesn't know about file
_1e.tvx
at
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:979)
at
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:917)
at org.apache.lucene.index.IndexWriter.filesExist(IndexWriter.java:3633)
at org.apache.lucene.index.IndexWriter.startCommit(IndexWriter.java:3699)
at
org.apache.lucene.index.IndexWriter.prepareCommit(IndexWriter.java:2407)
at
org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:2478)
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2460)
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2444)
at
org.apache.lucene.index.TestIndexWriterExceptions.testRandomExceptionsThreads(TestIndexWriterExceptions.java:213)
{noformat}
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